.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: .44rem;
    background-color:#fff
}

.header h1 {
    text-align: center;
    line-height: .44rem;
    font-size: .18rem;
    color: #333;
}

.header .icon {
    position: absolute;
    top: .08rem;
    right: .15rem;
    color: #333;
}